Whole-heart electromechanical simulations using Latent Neural Ordinary Differential Equations

M Salvador, M Strocchi, F Regazzoni… - NPJ Digital …, 2024 - nature.com
Cardiac digital twins provide a physics and physiology informed framework to deliver
personalized medicine. However, high-fidelity multi-scale cardiac models remain a barrier to …

Branched latent neural maps

M Salvador, AL Marsden - Computer Methods in Applied Mechanics and …, 2024 - Elsevier
Abstract We introduce Branched Latent Neural Maps (BLNMs) to learn finite dimensional
input–output maps encoding complex physical processes. A BLNM is defined by a simple …

An optimization framework to personalize passive cardiac mechanics

L Shi, IY Chen, H Takayama, V Vedula - Computer Methods in Applied …, 2024 - Elsevier
Personalized cardiac mechanics modeling is a powerful tool for understanding the
biomechanics of cardiac function in health and disease and assisting in treatment planning …

Improved multifidelity Monte Carlo estimators based on normalizing flows and dimensionality reduction techniques

A Zanoni, G Geraci, M Salvador, K Menon… - Computer Methods in …, 2024 - Elsevier
We study the problem of multifidelity uncertainty propagation for computationally expensive
models. In particular, we consider the general setting where the high-fidelity and low-fidelity …

Cardiac Healthcare Digital Twins Supported by Artificial Intelligence-Based Algorithms and Extended Reality—A Systematic Review

Z Rudnicka, K Proniewska, M Perkins, A Pregowska - Electronics, 2024 - mdpi.com
Recently, significant efforts have been made to create Health Digital Twins (HDTs), Digital
Twins for clinical applications. Heart modeling is one of the fastest-growing fields, which …

Chaos control in cardiac dynamics: terminating chaotic states with local minima pacing

D Suth, S Luther, T Lilienkamp - Frontiers in Network Physiology, 2024 - frontiersin.org
Current treatments of cardiac arrhythmias like ventricular fibrillation involve the application of
a high-energy electric shock, that induces significant electrical currents in the myocardium …

Physics-based reduced order modeling for uncertainty quantification of guided wave propagation using bayesian optimization

GI Drakoulas, TV Gortsas, D Polyzos - Engineering Applications of Artificial …, 2024 - Elsevier
Guided wave propagation (GWP) is commonly employed for the design of SHM systems.
However, GWP is sensitive to variations in the material properties, often leading to false …

Fast and accurate prediction of drug induced proarrhythmic risk with sex specific cardiac emulators

P Dominguez-Gomez, A Zingaro, L Baldo-Canut… - npj Digital …, 2024 - nature.com
In silico trials for drug safety assessment require many high-fidelity 3D cardiac simulations to
predict drug-induced QT interval prolongation, which is often computationally prohibitive. To …

Real-time whole-heart electromechanical simulations using latent neural ordinary differential equations

M Salvador, M Strocchi, F Regazzoni, L Dede… - arxiv preprint arxiv …, 2023 - arxiv.org
Cardiac digital twins provide a physics and physiology informed framework to deliver
predictive and personalized medicine. However, high-fidelity multi-scale cardiac models …

A mathematical model to assess the effects of COVID-19 on the cardiocirculatory system

A Tonini, C Vergara, F Regazzoni, L Dede'… - Scientific Reports, 2024 - nature.com
Impaired cardiac function has been described as a frequent complication of COVID-19-
related pneumonia. To investigate possible underlying mechanisms, we represented the …